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Improvements around the waiting list (#2219)

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* Waiting list: Support for seated events, pre-fill customer email address

* Allow people to remove themselves

* Update src/pretix/base/settings.py

Co-authored-by: Richard Schreiber <schreiber@rami.io>

* Update src/pretix/control/views/waitinglist.py

Co-authored-by: Richard Schreiber <schreiber@rami.io>

* Update src/pretix/control/views/waitinglist.py

Co-authored-by: Richard Schreiber <schreiber@rami.io>

* Update src/pretix/control/views/waitinglist.py

Co-authored-by: Richard Schreiber <schreiber@rami.io>

* Update src/pretix/presale/views/waiting.py

Co-authored-by: Richard Schreiber <schreiber@rami.io>

* Resolve a review note

* Review notes

* Fix linter issues

* Fix import

Co-authored-by: Richard Schreiber <schreiber@rami.io>
This commit is contained in:
Raphael Michel
2021-09-27 20:48:02 +02:00
committed by GitHub
parent a9a4cf6fca
commit 9f2ffc3276
15 changed files with 359 additions and 62 deletions
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27
src/pretix/base/services/waitinglist.py
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@@ -22,12 +22,14 @@
import sys
from datetime import timedelta
from django.db.models import Exists, OuterRef, Q
from django.db.models import Exists, F, OuterRef, Q, Sum
from django.dispatch import receiver
from django.utils.timezone import now
from django_scopes import scopes_disabled
from pretix.base.models import Event, User, WaitingListEntry
from pretix.base.models import (
Event, SeatCategoryMapping, User, WaitingListEntry,
)
from pretix.base.models.waitinglist import WaitingListException
from pretix.base.services.tasks import EventTask
from pretix.base.signals import periodic_task
@@ -43,6 +45,19 @@ def assign_automatically(event: Event, user_id: int=None, subevent_id: int=None)
quota_cache = {}
gone = set()
seats_available = {}
for m in SeatCategoryMapping.objects.filter(event=event).select_related('subevent'):
# See comment in WaitingListEntry.send_voucher() for rationale
num_free_seets_for_product = (m.subevent or event).free_seats().filter(product_id=m.product_id).count()
num_valid_vouchers_for_product = event.vouchers.filter(
Q(valid_until__isnull=True) | Q(valid_until__gte=now()),
block_quota=True,
item_id=m.product_id,
subevent_id=m.subevent_id,
waitinglistentries__isnull=False
).aggregate(free=Sum(F('max_usages') - F('redeemed')))['free'] or 0
seats_available[(m.product_id, m.subevent_id)] = num_free_seets_for_product - num_valid_vouchers_for_product
qs = WaitingListEntry.objects.filter(
event=event, voucher__isnull=True
@@ -70,6 +85,11 @@ def assign_automatically(event: Event, user_id: int=None, subevent_id: int=None)
gone.add((wle.item, wle.variation, wle.subevent))
continue
if (wle.item_id, wle.subevent_id) in seats_available:
if seats_available[wle.item_id, wle.subevent_id] < 1:
gone.add((wle.item, wle.variation, wle.subevent))
continue
quotas = (wle.variation.quotas.filter(subevent=wle.subevent)
if wle.variation
else wle.item.quotas.filter(subevent=wle.subevent))
@@ -91,6 +111,9 @@ def assign_automatically(event: Event, user_id: int=None, subevent_id: int=None)
quota_cache[q.pk][0] if quota_cache[q.pk][0] > 1 else 0,
quota_cache[q.pk][1] - 1 if quota_cache[q.pk][1] is not None else sys.maxsize
)
if (wle.item_id, wle.subevent_id) in seats_available:
seats_available[wle.item_id, wle.subevent_id] -= 1
else:
gone.add((wle.item, wle.variation, wle.subevent))